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Bad White [126]
2 years ago
9

Factor completely 5x2 + 20x. Prime 5(x2 + 4x) x(5x + 20) 5x(x + 4)

Mathematics
2 answers:
Papessa [141]2 years ago
4 0
5x(x+4)... I am pretty sure that is the right answer.
astra-53 [7]2 years ago
3 0
5 is common factor
also x
reverse distributive
ab+ac=a(b+c)

5x(x)+5x(4)=5x(x+4)

last one
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Evaluate the function t(x)=19-x, when x=-3
Zigmanuir [339]
Substitute -3 to the function equation where x found . therefore it will be 19--3=22. the final answer is 22
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3 years ago
Questioning my sanity once again....
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3 0
3 years ago
Find the ratio of Rs 20 and 900​
Tema [17]

Answer:

1 : 45

Step-by-step explanation:

Given

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8 0
2 years ago
The sampling distribution has a mean of 0.03 and a standard error of 0.007. The researchers' sample mean comes back at 0.026. In
SIZIF [17.4K]

Answer:

z = -0.57

Step-by-step explanation:

A z-score indicates how much away is something from the mean so it can be more(above) than the mean or less(below) than the mean.

sampling distribution mean = 0.03

standard error = 0.007

researcher's sample mean = 0.026

z = (0.026 - 0.03)/0.007

z = (-0.004)/0.007

z = -0.57

So that means the researcher's sample mean is 0.57 standard deviation below the sampling distribution mean.

The negative sign above is the indicator of below the mean value.

5 0
3 years ago
1. as.at<br>2. (a/b)2 (a/b)<br>8<br>3. (3)-5<br>4. (x/y)"<br>5. (2m4n3)5<br>​
Nikolay [14]
1- I didn't understand it

2).. (a/b)² (a/b)⁸

= (a/b)²+⁸ = (a/b)¹⁰

3) 3-⁵ = 1/3⁵ = 1/243

4) (x/y)"

d/dx (x/y) = (1/y)
d/dx (1/y) = 0

5) (2m⁴n³)⁵

= 2⁵ × (m⁴)⁵ × (n³)⁵

= 32 × m²⁰ × n¹⁵

= 32m²⁰n¹⁵
5 0
2 years ago
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